let num: number = -1;

if (num < 0) {
  // Line below is at 152 characters.
  console.log(`${num} has been entered. A negative number has been detected. Negative numbers are not supported, please enter a non-negative number.`);
  console.log('An invalid number has been entered. A negative number has been detected. Negative numbers are not supported, please enter a non-negative number.');
  console.log("An invalid number has been entered. A negative number has been detected. Negative numbers are not supported, please enter a non-negative number.");
} else {
  console.log(`${num} has been entered. This number works!`);
}
